Hidradenitis Suppurativa Pictures: A Visual Guide

About this article

Medically reviewed

Written by

Dr Paul Watson

Medically reviewed by

Dr Han Simpson

Published

July 16, 2026

Medical review date

September 8, 2026

Evidence searched through

September 8, 2026

Next review due

September 8, 2027

Intended audience

General Readers & Patients

Geographic scope

Worldwide

Conflicts of interest

None declared.

Funding

Website Owner

Report a correction

Report an error or editorial concern

Medical disclaimer

Read the medical disclaimer

You may be looking at a painful lump in your armpit, groin, under the breasts, or on the buttocks and wondering if the pictures online match what’s happening on your skin. A search for such images is typically not casual; it is often prompted by something that keeps coming back, hurts, and is starting to feel frightening or embarrassing. This is why we have created our very own Hidradenitis Suppurativa Pictures article to help.

I see that anxiety often. People usually tell me some version of the same story: “I thought it was a boil,” or “I thought I wasn’t keeping the area clean enough,” or “I waited because the pictures online looked much worse than what I have.” That gap matters. Early hidradenitis suppurativa often doesn’t look dramatic. It can look subtle, confusing, and easy to dismiss.

Online hidradenitis suppurativa pictures can help you recognize patterns. They can also mislead you if they only show the most advanced cases. The useful question isn’t “Does my skin look exactly like this one photo?” The better question is “Do I have the same pattern, in the same locations, repeating over time?” That’s where this guide can help.

Understanding Your Search for HS Pictures

Individuals searching for hidradenitis suppurativa pictures are often trying to answer a very personal question: “Is this what I have?” Usually, the concern starts with a lump that returns in the same place, drains, heals partly, and then flares again. That cycle is what makes HS different from a one-time irritated hair follicle.

Why this search feels urgent

The lesions can be painful, but the uncertainty is often just as hard. Many patients feel reluctant to show these areas to anyone because HS often affects intimate skin folds. That delay is understandable, but it can also postpone diagnosis and treatment.

HS isn’t rare enough that a doctor never sees it, but it is underrecognized. A systematic review estimated the global prevalence at 0.40% after adjusting for publication bias, and the condition is two to three times more common in females than males, with markedly higher prevalence in African American populations. It typically begins after puberty, with the highest prevalence seen in ages 30 to 39 according to JAMA Dermatology’s epidemiology review.

What I want patients to know: if you’re searching because a painful bump keeps returning in a skin fold, that concern is reasonable.

What pictures can and can’t tell you

Photos are good for pattern recognition. They can show common HS locations, the difference between blackheads and inflamed nodules, and what scarring or tunnels may look like. They can’t confirm a diagnosis by themselves.

A diagnosis depends on three things lining up over time: the kind of lesions, the body locations, and the fact that they recur. A single image can only show one piece of that puzzle.

Here are the clues that make a photo more useful:

• Body fold location: armpits, groin, buttocks, or under the breasts are more suggestive than random isolated spots.
• Recurrence: the same area flares again and again.
• Mixed features: blackheads, tender lumps, drainage, and scars appearing in one region raise suspicion.

If you’ve been comparing your skin to severe galleries and thinking, “Mine doesn’t look that bad, so it can’t be HS,” that’s a common mistake. Early disease is often quieter in appearance than people expect.

What Hidradenitis Suppurativa Looks Like

HS usually doesn’t show up as one single “type” of bump. It behaves more like a sequence. The earliest signs can be small and easy to ignore. Later signs are harder to miss.

The first things patients often notice

Some people first notice paired blackheads called comedones, especially in the armpits or inner thighs. These can look trivial, almost like acne, but they matter because HS often starts there. Others notice a tender lump that feels like a pea under the skin.

That lump may stay deep and sore, or it may grow into a larger inflamed nodule or abscess. Some lesions drain. Some flatten and leave discoloration or scars. Some seem to improve, then return in the exact same place.

The visual pattern doctors look for

The clinical diagnosis of HS depends on typical lesions, typical locations, and chronic recurrence with at least two episodes over six months, as outlined by DermNet’s hidradenitis suppurativa overview. Typical lesions include nodules, abscesses, sinus tracts, and scars. Typical locations are intertriginous areas such as the armpits, groin, buttocks, and inframammary folds.

That combination matters more than any one photo feature by itself.

A practical way to visualize the lesion types:

• Comedones: blackheads, sometimes paired, often overlooked.
• Nodules: firm, painful bumps under the skin.
• Abscesses: larger swollen areas that can feel hot, tender, and may drain.
• Sinus tracts: channels under the skin. Patients often describe these as areas that seem connected beneath the surface.
• Scars: thickened, rope-like, depressed, or uneven marks left by repeated inflammation.

What makes HS different from ordinary acne

Acne usually favors the face, chest, or back. HS favors friction-prone folds and often goes deeper. The “underground tunnel” feature is especially important. When abscesses connect under the skin, that strongly pushes the diagnosis toward HS rather than routine acne or a simple boil.

Practical rule: if a lump appears in a skin fold, returns in the same spot, and eventually leaves a scar or draining track, HS should be on the list of possibilities.

Risk factors such as smoking and obesity are strongly associated with HS. They don’t change the visual diagnosis on their own, but they can make the disease more persistent and more inflammatory.

Visualizing the Three Hurley Stages of HS

Doctors often describe HS severity using the Hurley staging system. This isn’t just a technical label. It helps translate what’s happening on the skin into a more useful picture of how extensive the disease has become.

Early warning signs can show up before a bump is even visible. Approximately 50% of patients report prodromal symptoms such as burning, stinging, itching, or warmth 12 to 48 hours before a lesion appears, according to the NCBI Bookshelf review on hidradenitis suppurativa.

A visual summary helps:

Hurley Stage I

This is the mildest stage. You may see one or several abscess-like lesions, but there are no sinus tracts and no scarring. Skin between lesions often looks normal.

For many patients, this is the stage that gets mistaken for isolated boils. The trade-off is simple. If treatment starts here, management is often easier. If HS goes unrecognized, repeated flares can create permanent structural changes.

Hurley Stage II

This stage looks more established. The lesions recur, and sinus tracts and scarring begin to appear. The involved spots are still separated by some normal-looking skin.

This is often when patients say, “It feels like the bumps are connected somehow.” They may also notice drainage from more than one opening in the same area. From a visual standpoint, this stage is less about one bump and more about a repeated map of inflammation.

Before looking at more examples, it may help to watch a brief visual explanation:

Hurley Stage III

This is the most extensive form. A whole area can become involved, with interconnected tracts, repeated abscesses, drainage, and heavy scarring. The skin may look thickened and irregular rather than showing a few separate lesions.

Patients at this stage usually aren’t asking whether something is wrong. They’re asking why it took so long to get an answer.

Hurley stage	What the skin tends to look like	What patients often report
Stage I	Isolated inflamed lesions, no tunnels, no scarring	“I keep getting boils”
Stage II	Recurrent lesions with tracts and scars, separated by normal skin	“These spots come back and seem connected”
Stage III	Widespread involvement with interconnected disease across one area	“The area never really clears”

Is It HS or Something Else Comparing Skin Conditions

One reason people search for hidradenitis suppurativa pictures for so long is that HS can resemble several other skin problems. The biggest clue isn't just appearance. It's the combination of appearance, location, and repetition.

A major gap in patient education is that many galleries fail to show early-stage HS, especially paired blackheads or comedones in the armpits or inner thighs. Those subtle signs are easy to dismiss as minor acne or simple boils, which can delay diagnosis, as described in this patient education discussion of early HS signs.

Side by side clues that matter

Feature	Hidradenitis Suppurativa (HS)	Boils (Furuncles)	Cystic Acne
Usual location	Skin folds such as armpits, groin, buttocks, under breasts	Anywhere hair follicles become infected	Face, chest, back, jawline
Recurs in same spot	Often yes	Can happen, but usually less patterned	Can recur, but distribution differs
Blackheads or paired comedones	Common clue, especially early	Not typical	Can occur, but pattern and location differ
Tunnels under skin	Suggestive feature	Usually absent	Usually absent
Scarring pattern	Rope-like, irregular, repeated in folds	Possible after severe infection	Acne scarring more often on face, chest, back
Drainage	Common during flares	Common in active boil	Possible, but less typical in folds
Big diagnostic clue	Repeated painful lesions in folds with scarring or tunnels	Single infected follicle or localized infection	Acne-type lesions in classic acne zones

A practical way to think about the difference

If the problem behaves like a one-time infected bump, HS becomes less likely. If it comes back in the same fold, leaves marks, and starts showing blackheads or connected drainage points, HS moves higher on the list.

Boils can still be confusing, especially in intimate areas. If that’s part of what you’re sorting through, this guide on boils on the private area with pictures can help you compare patterns more carefully.

Recurrent disease changes the conversation. A bump that keeps choosing the same body fold deserves a proper evaluation.

Clues that should push you toward an HS evaluation

• Same-site recurrence: the lump heals, then returns in nearly the same place.
• Paired blackheads: especially in armpits or inner thighs.
• Evidence of tunneling: separate openings, drainage tracks, or the sense that lesions are connected.
• Scarring in folds: especially when it follows repeated tender nodules.

What Really Causes HS and What Does Not

The most damaging myth about HS is that it comes from poor hygiene. That myth is false, and it causes real harm. Patients already feel vulnerable enough when lesions affect private or friction-prone areas. Shame can keep them from seeking help.

Visual content often makes this worse because people see severe lesions without any explanation of the disease underneath them.

What HS is

HS is a chronic inflammatory disease involving hair follicles and the immune system. It is not contagious, and it is not a sign that you’re unclean. Family history also matters. The hygiene myth has been challenged directly in patient education, which notes that 15% to 20% of patients have a family history and that identified genetic markers help frame HS as a genetic inflammatory disease, not a cleanliness problem, as discussed in Medical News Today’s review of HS causes and misconceptions.

That point often brings visible relief to patients. Many have spent months or years scrubbing harder, changing soaps, or blaming themselves.

What can worsen HS without being the whole story

Some factors increase inflammation or make HS more difficult to control. Smoking is strongly linked to HS. Body weight can also matter because friction, skin fold occlusion, and systemic inflammation may aggravate disease activity. Hormonal shifts can influence symptoms for some people.

Here’s the trade-off that matters in real life:

• Lifestyle changes can help disease control: reducing friction, stopping smoking, and managing weight may improve flares for some patients.
• Lifestyle changes do not erase the diagnosis: needing treatment does not mean you’ve failed.
• Aggressive cleansing doesn’t fix HS: over-scrubbing often irritates already inflamed skin.

“You did not cause this by being dirty” is something many patients need to hear clearly and more than once.

What doesn’t help

Trying to “cleanse” HS away usually backfires. Harsh scrubs, squeezing deep nodules, and repeated shaving over inflamed skin commonly make lesions more irritated. The better approach is medical evaluation, gentle skin care, and a plan that matches the stage of disease.

When and How to Seek Medical Help for HS

If you’ve been comparing your skin to hidradenitis suppurativa pictures and seeing a pattern that fits, don’t wait for it to become severe before making an appointment. The earlier a clinician sees recurrent disease, the better the chance of reducing pain, drainage, and permanent scarring.

When to book an appointment

You should seek medical care if any of these are happening:

• Repeated flares: painful lumps keep returning in the same armpit, groin, buttock, or under-breast area.
• Drainage or odor: lesions open and leak fluid.
• Scars or tracks: the skin is starting to feel thickened, uneven, or connected underneath.
• Daily life is affected: walking, exercise, intimacy, sleep, or work are getting harder because of pain.

A dermatologist is ideal, but a primary care clinician, gynecologist, urgent care clinician, or surgeon may be the first person who starts the process. What matters most is getting the pattern recognized.

How to make the visit more useful

Bring evidence. HS can look quieter on the day of the appointment than it does during a flare.

Use a simple prep list:

1. Take phone photos of flares: include the date if you can.
2. Write down recurrence: note whether it’s the same place each time.
3. List body sites involved: armpits, groin, under breasts, buttocks, inner thighs.
4. Mention warning sensations: burning, stinging, itching, or warmth before new lesions.
5. Note family history and smoking status: both can be clinically relevant.

What a good next step looks like

A proper diagnosis usually begins with pattern recognition, not a complicated test. The clinician will examine the lesions, ask how often they recur, and look for scars or sinus tracts. If you’ve only been told you have “boils” over and over, but no one has asked about recurrence in skin folds, it’s reasonable to push for a fuller evaluation.

Don’t wait for a dramatic photo-match. Repeated painful lesions in classic areas are enough reason to be seen.

For readers who want to keep learning from reputable, no-cost medical literature after their visit, Free Medical Journals’ blog is a practical place to start exploring open-access medical education. It’s especially useful if you want to read further without running into paywalls.

---

If your skin changes match the patterns above, seek an in-person evaluation. Pictures can guide recognition. A professional diagnosis is what gets you toward real relief.